JP2002184626A - Structure of capsule for housing pcb container, and method of using the capsule - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the structure of a capsule for housing a PCB container and the method of using the capsules with which leakage and scattering of a PCB liquid can be prevented at all steps, from the transportation time of the PCB container to disassembling of internal components of thereof and the safety be also improved, in the PCB container, in which the components are dipped in the PCB liquid housed inside a container. SOLUTION: A capsule, for housing a PCB container in which internal components are dipped in a PCB liquid, is provided with a capsule body in which the PCB container is fixed inside, and a cover for sealing the capsule body. The cover can be freely replaced with a cleaning cover that can be connected with a cleaning liquid tube to supply/discharge a cleaning liquid to/from the PCB container and a usable cover except for the time the cleaning cover is not in use.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a P (Polychlorinated Biphenyl) liquid containing PCB (polychlorinated biphenyl) solution, which is immersed in a container such as a transformer.
The present invention relates to a structure of a capsule for accommodating a PCB container for accommodating a CB container and a method of using the capsule.

[Prior art]

[0002] In a PCB container, such as a transformer or a capacitor, in which internal components such as coils and insulators are immersed in a PCB (polychlorinated biphenyl) solution contained in the container, the PCB container is transported. Also, when extracting the PCB from the PCB container or cleaning the PCB container, and further disassembling the internal component, without leaking harmful PCB to the outside and without attaching to the container or the internal component. It is desired to completely remove the container and the components.

FIG. 7 is an operation flow diagram showing a means for removing a PCB from a PCB container as a comparative example. In the figure, first, a coil to be processed is contained in a PCB oil contained in a transformer, ie, a container. The transformer in which the internal components of the insulator or the insulator, that is, the core is immersed, is transported to the processing place by a transport means such as a vehicle, and is fixed at a predetermined position (step (0)). Next, from inside the container of the transformer, P
The CB oil is extracted and sent to a hydrothermal cracker described later (step (1)). Next, the inside of the container and the core portion are washed with a cleaning liquid to remove the PCB attached to the inside of the container and the core portion (step (2)). Next, the core portion is manually taken out of the container, the container is separated from the core portion, and the container is sent to a washing means (step (3)). The core portion is disassembled and metal such as a coil and an iron core is disassembled. And resin such as insulators, paper, and organic matter such as wood. The metals and resins such as the coil and the iron core are sent to the cleaning means (step (4)).

[0004] Next, organic matter such as paper and wood is added with water by a mill device, pulverized into fine powder, slurried, and sent to a hydrothermal decomposition device (step (5)). In the cleaning means, the PCB is completely removed by cleaning the container and metals, and then recycled or discarded as a PCB-removed body (step (6)). Further, the slurried organic matter, PCB liquid and washing waste liquid are reacted with alkali, oxygen, pure water or the like in a hydrothermal decomposition apparatus to be decomposed into water and exhaust gas (PCB-removed body) to make them harmless (step). (7)).

[0005]

A PCB container such as a transformer is transported, PCB oil is extracted from the PCB container, or the PCB container is washed, and furthermore, a core portion including a coil, an iron core, an insulator and the like is provided. When disassembling the internal components, usually, as shown in FIG. 7, the PCB container is transported in a state where the PCB oil and the internal components are stored, and the internal components are included. PC
For cleaning of B container and disassembly of internal components, PC
It is performed in a state where the container B is fixed in the outside air.

[0006] For this reason, in the PCB container processing means according to the conventional technique, when the PCB container is transported, the PCB in the container leaks due to insufficient sealing of the container and the like, so that the PCB container can be transported safely. It may be hindered. Further, after being fixed in a predetermined work place, for cleaning the PCB container including the internal components and disassembling the internal components,
Since this operation is performed while the PCB container is fixed in the outside air, the PCB or P
The cleaning solution mixed with CB scatters around, or PCB
At the time of cleaning the container, there is a possibility that the PCB is radiated to the surroundings due to the vapor radiating, and the work safety is impaired. And the like.

The present invention has been made in view of the above problems, and has been developed in consideration of the above-described problems, and a PC constituted by immersing constituent members in a PCB liquid contained in a container is provided.
In the B container, in all steps from the transportation of the PCB container to the disassembly of the internal components of the PCB container and the PCB container, the leakage of the PCB and the scattering of the PCB are prevented, and the storage of the PCB container which can improve the safety is achieved. It is an object of the present invention to provide a structure of a capsule for use and a method for using the capsule.

[0008]

In order to solve the above-mentioned problems, the present invention is directed to a first aspect of the present invention, wherein a coil and an insulator are placed in a PCB (polychlorinated biphenyl) solution contained in a container such as a transformer. And the like. A capsule for accommodating a PCB container in which the internal components such as the above are immersed, wherein the capsule is fixed to the PCB by a fixing means.
A cleaning device that includes a capsule body in which the container is fixed, and a lid that covers the capsule body so that the capsule body can be hermetically sealed; a cleaning liquid pipe that supplies and discharges a cleaning liquid for the PCB container into the capsule body; The present invention proposes a structure of a capsule for accommodating a PCB container, wherein a lid and a lid that can be used other than when the cleaning lid is used are freely interchangeable.

According to a second aspect of the present invention, in addition to the first aspect, the cleaning lid includes a connection portion for connecting a PCB extraction pipe for extracting a PCB from the container. According to a third aspect of the present invention, in addition to the first aspect, the fixing means presses the PCB container toward the spring, and a spring provided between the inner wall of the capsule body and the PCB container. And a jack device.

The invention according to claims 4 to 6 relates to the invention of a method using the capsule, and the invention according to claim 4 relates to a method of using a coil in a PCB liquid contained in a container such as a transformer.
A method for using a PCB container storage capsule for storing a PCB container in which an internal component such as an insulator is immersed, comprising: a capsule body capable of fixing the PCB container therein; and a lid that hermetically covers the capsule body. The PCB container is transported in a state where the PCB container is stored in a capsule.

According to a fifth aspect of the present invention, there is provided a use of a capsule for accommodating a PCB container, such as a transformer, for accommodating a PCB container in which internal components such as coils and insulators are immersed in a PCB liquid accommodated in the container. In the method, in a state where the PCB container is stored in the capsule, the lid of the capsule is replaced with a cleaning lid to which a cleaning liquid pipe for supplying and discharging the cleaning liquid of the PCB container can be connected in the capsule body, It is characterized in that the PCB is extracted from the PCB container and the PCB container including the container and the lid is washed. In claim 5, preferably, as in claim 6, the capsule lid is replaced with a cleaning lid to which a cleaning liquid pipe for supplying and discharging the cleaning liquid of the PCB container can be connected in the capsule body. Perform internal cleaning.

According to a seventh aspect of the present invention, there is provided a PCB for accommodating a PCB container in which an internal component such as a coil or an insulator is immersed in a PCB liquid contained in the container, such as a transformer.
In the method of using the container storage capsule, operations including handling of the container and the lid and disassembly of the internal components are performed in a state where the PCB container is stored in the capsule.

According to this invention, the PCB container is housed in the capsule, and the capsule is transported in a state in which the capsule is sealed with the lid. Therefore, it is possible to completely prevent the PCB oil in the PCB container from leaking to the outside of the capsule. Be avoided. A cleaning lid connected to a cleaning liquid pipe for extracting the cleaning oil from the PCB container, supplying and discharging the cleaning liquid into the PCB container, and extracting the cleaning liquid accumulated in the capsule; The PC, for example, when transporting the PCB container.
Since the B container and the lid that can be used except for washing the capsule are configured to be interchangeable, the PCB oil, that is, the container, the lid, and the internal components are stored in the capsule, and the PCB oil is removed. , And cleaning of the inside of the PCB container and the capsule.

Thus, when the PCB container is transported, the leakage of the PCB oil in the PCB container to the outside of the capsule is completely avoided, and the leakage of the PCB oil hinders the safe transport of the PCB container. Is prevented from occurring. In addition, the PCB oil can be extracted from the PCB container, and the washing process in which the washing liquid is easily scattered or vaporized can be performed in a state where the PCB container is housed in the capsule. Leakage of the mixed cleaning liquid and scattering to the surroundings are avoided, and work safety is improved.

[0015] In addition, the extraction of the PCB oil and the PC oil
When cleaning the B container and the capsule, the dedicated cleaning lid equipped with a tool for extracting and cleaning the PCB oil may be replaced with a lid for transportation, etc. The processing time is shortened to improve the work efficiency, and the opening time of the lid, which may release the vapor of the PCB at the time of cleaning or the like, is shortened. Further, since the capsule itself is finally washed, the capsule can be reused. Further, according to the invention described in claim 4,
Since the PCB container is elastically supported by the spring and the jack, the vibration of the capsule is reduced by the spring during transportation or the like, so that the PCB container is prevented from being vibrated. Leakage of the PCB in the container is prevented.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to an embodiment shown in the drawings. However, unless otherwise specified, the dimensions, materials, shapes, relative arrangements, and the like of the components described in this embodiment are not intended to limit the scope of the present invention thereto, but are merely illustrative examples. It's just

FIGS. 1A and 1B show a capsule for accommodating a PCB container according to an embodiment of the present invention, wherein FIG. 1A is a sectional view thereof, and FIG. 1B is an internal perspective view in the direction of arrow A in FIG. FIG. 2 is a sectional view of the PCB container storage capsule for cleaning. FIG. 3 is an explanatory view of an operation procedure using the capsule for storing a PCB container, and FIG. 4 is an explanatory view of a cleaning procedure. FIG. 5 is a block diagram showing the configuration of the hydrothermal decomposition apparatus, and FIG.
It is explanatory drawing of the transportation point of the capsule for container B storage.

FIG. 1 shows a PC according to an embodiment of the present invention.
The capsule for storing the B container is used at the time of the operation except for the washing described later. In the figure, reference numeral 1 denotes a transformer which is an object to be processed, which is an internal component in the internal space 9 of the container 1a having the lid 1b. A core 1d (see FIG. 3) including a certain coil, iron core, insulator and the like is immersed in PCB oil and stored.

Reference numeral 2 denotes a capsule in which the transformer 1 is housed, which is constructed as follows. Reference numeral 2a denotes a capsule body having a bottomed cylindrical shape, and 2b denotes a capsule lid that covers the capsule body 2a. 6 is a suspension bracket provided at a plurality of locations on the outer periphery of the capsule body 2a, 10 is a support of the transformer 1, and 8 is the capsule cover 2b.
This is a lid lock device for locking to a. Reference numeral 4 denotes a fixing spring (compression spring) provided between the outer periphery of the container 1a and the inner periphery of the capsule body 2a (a plurality of springs may be provided), and 5 is attached to the inner periphery of the capsule body 1a. The fixing jack 11 is the fixing jack 5.
A jack handle for rotating the shaft, Fig. 1 (B)
As shown in the figure, the two fixing springs 4 and the fixing jacks 5 are arranged at equal intervals in the circumferential direction, and the pressing force of the fixing jacks 5 is applied to the fixing springs 4 via the container 1a. They are provided facing each other so as to be transmitted. Reference numeral 3 denotes a fixing handle screwed into the center of the capsule lid 2b, and the distal end thereof presses the lid 1b of the transformer 1.

FIG. 2 shows a configuration in which the capsule 2 is used for extracting the PCB oil from the transformer 1 and cleaning the inside of the transformer 1. In the drawing, when extracting the PCB oil and cleaning the inside of the transformer 1, The capsule lid 2b of the capsule 2 is removed, and in place of this, the lid 2c for cleaning is put over the capsule body 2a and fixed, thereby sealing the inside of the capsule body 2a. 16 is a rolling roller attached to the lower part of the capsule 2;
Reference numeral 7 denotes a positioning cylinder for positioning the capsule. Reference numeral 18 denotes a liquid removal pump which is a bidirectional pump. The PCB oil in the container 1a is passed through a flexible hose 15 which is inserted through the washing lid 2c with a watertight seal and connected to the container 1a of the transformer 1. And the supply and discharge of the cleaning liquid into and from the container 1a.

Reference numeral 19 denotes a cleaning pump for extracting a cleaning liquid from the capsule body 2a through a flexible hose 15 which is inserted through the cleaning lid 2c with a watertight seal and connected to the inside of the capsule body 2a. It is.
Reference numeral 20 denotes a vacuum pump via a flexible hose 15 connected to the cleaning lid 2c with a watertight seal.
The inside of the capsule body 2a is evacuated, and the inside of the capsule 2 and the inside of the transformer 1 are vacuum-dried. Reference numeral 21 denotes a lid cylinder, the upper end of which is supported by a fixing gantry 22 and the lower end of which is provided with the cleaning lid 2c.
When the lid 1 is extended, the cleaning lid 2c is put on the capsule body 2a, and when the lid cylinder 21 is contracted, while the flexible hoses 15 are contracted,
The cleaning lid 2c is lifted from the capsule body 2a to the height S.

When the transformer 1 is accommodated in the capsule 2 having such a configuration and transported to a predetermined work place, the transformer 1 is placed on the support 10 in the capsule 2 and the fixing jack 5 is used. The outer circumference of the container 1a is pressed, and the amount of pushing of the fixing jack 5 is adjusted so that the pressing force balances the reaction force of the fixing spring 4 via the container 1a. By rotating the handle 3, the lid 1b of the transformer 1 is pressed to fix the transformer 1 in the capsule inner body 2b. Then, the capsule lid 2b is put on the capsule body 2a and locked by the lid lock device 8, and the upper fixing handle 3 is rotated to press the lid 1b of the transformer 1. Thereby, the inside of the capsule 2 is completely sealed, and the transformer 1 is elastically supported by the fixing spring 4 in the horizontal direction (perpendicular to the axis of the transformer 1) and securely fixed in the capsule 2. You.

FIG. 6 shows a situation in which the capsule 2 containing the transformer 1 as described above is loaded on a vehicle 36 and transported. In the drawing, a plurality of the capsules 2 are put in a container 35 and Transported to the work place. During such transportation, the transformer 1, that is, the PCB container is housed in the capsule 2, and the capsule 2 is placed in the capsule lid 2 b.
Is transported in a sealed state.
Leakage of the B oil outside the capsule 2 is completely avoided. Further, since the transformer 1 is elastically supported by the fixing spring 4 and the fixing jack 5 provided between the inner wall of the capsule body 2a and the transformer 1, the vibration of the capsule 2 during transportation is achieved. Is alleviated by the fixing spring 4, whereby the transformer 1 is prevented from being vibrated.
CB leakage is prevented.

In FIG. 3, when the capsule 2 containing the transformer 1 is transported to a predetermined work place as described above, the capsule 2 is placed on a conveyor 32 leading to a processing chamber 101 by a small crane 31, and At 32, it is set at a work place in the processing chamber 101. Next, the lid 1b of the transformer 1 is manually removed and placed in the capsule body 2a. Further, the capsule lid 2b of the capsule 2 is removed, and the washing lid 2c is replaced with the capsule lid 2b.
Is assembled to the capsule body 2a by a method described below,
With the transformer 1 stored in the capsule body 2a, the PCB oil in the transformer 1 is extracted to the outside via the flexible hose 15 by a method described later. Next, the liquid drain pump 18, the cleaning pump 19, and the vacuum pump 20 for cleaning are connected to the inside of the capsule 2 via the flexible hose 15 and the cleaning lid 2c, and the transformer 1 is housed in the capsule body 2a. In this state, the container 1a, the lid 1b, and the core 1d as an internal component of the transformer 1 are roughly cleaned by ultrasonic waves using an ultrasonic oscillator 29 attached to the capsule body 2a. . Further, after the completion of the rough cleaning, the vacuum pump 20 is operated to operate the transformer 1.
Vacuum drying of the inside is performed. After the inside of the transformer 1 is dried and the PCB oil and the cleaning liquid are removed from the inside of the transformer 1, the core 1d in the container 1a is manually extracted.

Next, the transformer 1 after the core 1d is extracted and the capsule 2 in which the transformer 1 is housed.
When cleaning the inside, as shown in FIG. 4, the capsule lid 2b of the capsule 2 is removed, and the flexible hose 1 is replaced by the lid cylinder 21.
5 is fixed by covering the capsule body 2a with a washing lid 2c which is inserted or fixed with a watertight seal, and hermetically seals the inside of the capsule body 2a. Next, the liquid removal pump 18 composed of the bidirectional pump is operated to circulate the cleaning liquid through the flexible hose 15 into the container 1a of the transformer 1 and the capsule body 2a on which the lid 1b of the transformer 1 is placed. The ultrasonic oscillator 29 attached to the capsule body 2a is operated to oscillate ultrasonic waves to clean the inside of the transformer 1, the lid 1b, and the inside of the capsule body 2a. The cleaning liquid accumulated in the capsule body 2a operates the cleaning pump 19,
Withdraw through. As described above, the capsule body 2
a, and after the transformer 1 has been cleaned, the vacuum pump 20 is operated, and the inside of the capsule body 2a is evacuated via the flexible hose 15 connected to the cleaning lid 2c with a watertight seal. Then, the inside of the capsule 2 and the transformer 1 are vacuum-dried.

As described above, the inside of the transformer 1 and the
The PCB and the cleaning liquid extracted from the inside of the cell body 2a are:
It is introduced into the hydrothermal decomposition apparatus 40 shown in FIG. In FIG.
Incidentally, the primary reactor 41 of the hydrothermal decomposition apparatus 40 includes:
PCB liquid extracted from the container 1a and PCB
The slurry of the organic matter containing
Cleaning solution after washing the vessel 1a and lid 1b,
A cleaning liquid or the like is introduced, and alkali
(NaOH), pure water, react with oxygen and react with PCB molecules
The bond is broken. The molecule exiting the primary reactor 41
The gas-liquid mixture whose bond has been broken is cooled by the cooler 42.
After the pressure is reduced by the pressure reducing valve 43,
Exhaust (CO ₂) And drainage (H₂O, and NaCl)
Separated and rendered harmless, each is discharged outside.

According to this embodiment, the transformer 1, that is, the PCB container is housed in the capsule 2 and the capsule lid 2 b
Since the capsule 2 is transported in a sealed state, leakage of the PCB oil in the transformer 1 to the outside of the capsule 2 is completely avoided. A flexible hose (not shown) for extracting the PCB oil in the transformer (PCB container) 1 into the capsule body 2a, supplying and discharging the cleaning liquid into the transformer 1, and further extracting the cleaning liquid accumulated in the capsule body 2a. Since the cleaning lid 2c to which the cleaning liquid tube is connected and the capsule lid 2b which can be used other than when the transformer 1 and the capsule body 2a are cleaned, such as when the transformer 1 is transported, are configured to be interchangeable. In a state where the transformer (PCB container) 1 is stored in the capsule body 2a, the extraction of the PCB oil and the transformer (PCB)
The inside of the container 1 and the capsule body 2a can be cleaned.

Thus, the transformer (PCB container)
At the time of transportation of 1, the PCB oil in the transformer 1 is completely prevented from leaking to the outside of the capsule 2, and the leakage of the PCB oil is prevented from hindering the safe transportation of the PCB container. Is done. In addition, the transformer (PC
The transformer (PCB container) 1 can be carried out in a state where the transformer (PCB container) 1 is housed in the capsule 2, and thus the PCB oil can be removed from the PCB (B container) 1 and the washing step in which the washing liquid is easily scattered or vaporized easily. And the washing liquid mixed with the PCB is prevented from leaking or scattering around.
Work safety is improved.

When the PCB oil is extracted and the transformer 1 and the capsule 2 are washed, a dedicated washing lid 2c equipped with a tool for extracting and washing the PCB oil is attached to the capsule lid 2b for transportation or the like. Since it is sufficient to recompose, P
The processing time including the removal of the CB oil and the cleaning is shortened, and the work efficiency is improved.
The opening time of the lid, which is likely to release B vapor, is reduced. Also, since the capsule 2 itself is finally washed,
The capsule 2 can be reused. Further, since the transformer 1 is elastically supported by the fixing spring 4 and the fixing jack 5, the vibration of the capsule 2 is reduced by the fixing spring 4 during transportation or the like, so that the transformer 1 is prevented. Will be shaken,
Leakage of PCB in the transformer 1 due to such vibration is prevented.

[0030]

As described above, according to the present invention, P
From the time of transportation of the CB container, with respect to the cleaning process in which the PCB oil is extracted from the PCB container and the scattering of the cleaning liquid or vapor is likely to occur, the transportation and cleaning operations are performed while the PCB container is stored in the capsule. Can be carried out, and safe transportation of the PCB container can be realized.
The CB and the cleaning liquid mixed with the PCB are prevented from leaking to the outside of the capsule and being scattered around, thereby improving work safety.

Further, the removal of the PCB oil and the removal of the PC oil
When cleaning the B container and the capsule, the exclusive cleaning lid equipped with a tool for extracting and cleaning the PCB oil may be replaced with a lid for transportation or the like. The processing time including the washing of the capsules is shortened, and the working efficiency is improved. In addition, the opening time of the lid, which has the possibility of evaporating PCB vapor during washing, is shortened, and the safety is improved. Further, since the capsule itself is finally washed, the capsule can be reused. Further, according to the invention described in claim 4, the PC
Since the container B is elastically supported by the spring and the jack, the vibration of the capsule is reduced by the spring during transportation or the like, so that the PCB container is prevented from being vibrated. PCB leakage is prevented.

[Brief description of the drawings]

1A and 1B show a capsule for accommodating a PCB container according to an embodiment of the present invention, wherein FIG. 1A is a cross-sectional view thereof, and FIG. 1B is an internal perspective view in the direction of arrow A in FIG.

FIG. 2 is a cross-sectional view of the PCB container storage capsule for cleaning.

FIG. 3 is an explanatory view of an operation procedure using a capsule for storing a PCB container.

FIG. 4 is an explanatory view of a cleaning procedure.

FIG. 5 is a block diagram illustrating a configuration of a hydrothermal decomposition apparatus.

FIG. 6 is an explanatory view of a transportation procedure of the capsule for storing a PCB container.

FIG. 7 is a work flow chart showing a comparative example.

[Explanation of symbols]

 1 Transformer 1a Container 1b Lid 1d Core 2 Capsule 2a Capsule Body 2b Capsule Lid 2c Cleaning Lid 3 Fixing Handle 4 Fixing Spring 5 Fixing Jack 9 Internal Space 10 Abutment 11 Jack Handle 15 Flexible Hose 18 Drain Pump 19 Cleaning pump 20 Vacuum pump 21 Cylinder for lid 29 Ultrasonic oscillator 32 Conveyor 40 Hydrothermal decomposition device

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Tosumi Otsuka 1-1, Akunouracho, Nagasaki-shi F-term in Nagasaki Shipyard, Mitsubishi Heavy Industries, Ltd. 5E050 FA10

Claims (7)

[Claims] 1. A PC housed in a container, such as a transformer.
P containing a PCB container in which internal components such as coils and insulators are immersed in a B (polychlorinated biphenyl) solution
In the capsule for accommodating a CB container, the capsule includes a capsule body in which the PCB container is fixed by fixing means, and a lid that covers the capsule body in a sealable manner, wherein the lid is provided in the capsule body. A capsule for accommodating a PCB container, wherein a cleaning lid to which a cleaning liquid pipe for supplying and discharging a cleaning liquid from a PCB container is connectable and a lid that can be used except when the cleaning lid is used are freely interchangeable. Structure. 2. The cleaning lid includes a PCB in the container.
The structure of a capsule for accommodating a PCB container according to claim 1, further comprising a connecting portion for connecting a PCB extraction tube for extracting the PCB. 3. The fixing device according to claim 1, wherein the fixing means includes a spring installed between the inner wall of the capsule body and the PCB container.
The jack according to claim 1, further comprising a jack device for pressing the PCB container toward the spring.
Structure of capsule for storing CB container. 4. A PC, such as a transformer, housed in a container.
In a method of using a PCB container storage capsule for storing a PCB container in which an internal component such as a coil and an insulator is immersed in a liquid B, a capsule body capable of fixing the PCB container therein and the capsule body are sealed. A method of using the capsule for storing a PCB container, wherein the PCB container is transported in a state where the PCB container is stored in a capsule having a cover capable of being covered. 5. A PC housed in a container, such as a transformer.
In a method of using a PCB container storage capsule for storing a PCB container in which an internal component such as a coil and an insulator is immersed in the liquid B, the capsule container is stored in the capsule. The lid is replaced with a cleaning lid to which a cleaning liquid pipe for supplying and discharging the cleaning liquid of the PCB container can be connected to the inside of the capsule body, and the PCB is extracted from the PCB container and the PCB container including the container and the lid is cleaned. A method of using a capsule for accommodating a PCB container, the method comprising: 6. The cleaning of the inside of the capsule by replacing the lid of the capsule with a cleaning lid to which a cleaning liquid pipe for supplying and discharging the cleaning liquid of the PCB container can be connected in the capsule body. Use of the capsule for storing a PCB container according to claim 5. 7. A PC housed in a container such as a transformer
A method of using a PCB container storage capsule for storing a PCB container in which an internal component such as a coil and an insulator is immersed in a liquid B, comprising the steps of handling the container and the lid and disassembling the internal component. Is performed in a state where the PCB container is stored in the capsule.
How to use capsule for storing CB container.